/* ===== CSS Variables ===== */
:root {
    --primary-color: #32CD32; /* Lime Green */
    --primary-dark: #28A428;
    --primary-light: #7CFC00;
    --dark-bg: #2C2C2C; /* Charcoal Gray */
    --darker-bg: #1A1A1A;
    --light-bg: #F5F5F5;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --text-dark: #333333;
    --gradient-1: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    --gradient-2: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
    --shadow-sm: 0 2px 8px rgba(50, 205, 50, 0.1);
    --shadow-md: 0 4px 16px rgba(50, 205, 50, 0.15);
    --shadow-lg: 0 8px 32px rgba(50, 205, 50, 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset & Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--darker-bg);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(50, 205, 50, 0.1);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(26, 26, 26, 0.98);
    box-shadow: var(--shadow-md);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
    gap: 2rem;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: var(--transition);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition);
}

.logo-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    transition: var(--transition);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    transition: var(--transition);
}

.logo-dot {
    color: var(--primary-color);
}

.logo-link:hover .logo-icon {
    transform: scale(1.1) rotate(5deg);
}

.logo-link:hover .logo-text {
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link:hover::after {
    width: 100%;
}

/* ===== Header Contacts ===== */
.header-contacts {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: var(--transition);
    border: 1px solid transparent;
}

.contact-link svg {
    width: 18px;
    height: 18px;
    transition: var(--transition);
}

.email-link:hover {
    color: var(--primary-color);
    background: rgba(50, 205, 50, 0.1);
    border-color: rgba(50, 205, 50, 0.2);
}

.email-link:hover svg {
    transform: translateY(-2px);
}

.linkedin-link {
    padding: 0.5rem;
    border-radius: 8px;
    background: rgba(50, 205, 50, 0.05);
    border: 1px solid rgba(50, 205, 50, 0.1);
}

.linkedin-link span {
    display: none;
}

.linkedin-link:hover {
    background: var(--primary-color);
    color: var(--darker-bg);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.mobile-contacts {
    display: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
    border-radius: 2px;
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 100px;
    padding-bottom: 80px;
}

.hero-container {
    position: relative;
    z-index: 2;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.hero-text {
    position: relative;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(50, 205, 50, 0.1);
    border: 1px solid rgba(50, 205, 50, 0.3);
    border-radius: 50px;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-badge span {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-2);
    z-index: -1;
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(50, 205, 50, 0.1) 0%, transparent 50%);
}

.animated-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--primary-color);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: var(--primary-light);
    top: 60%;
    right: 15%;
    animation-delay: 5s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    background: var(--primary-color);
    bottom: 20%;
    left: 50%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(30px, -30px) rotate(120deg);
    }
    66% {
        transform: translate(-20px, 20px) rotate(240deg);
    }
}

.hero-title {
    font-size: clamp(3rem, 7vw, 6rem);
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: 2rem;
    text-align: left;
}

.title-line {
    display: block;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.title-line:nth-child(1) {
    animation-delay: 0.3s;
}

.title-line:nth-child(2) {
    animation-delay: 0.5s;
}

.title-line:nth-child(3) {
    animation-delay: 0.7s;
}

.highlight {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    line-height: 1.7;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.9s forwards;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 1.1s forwards;
}

.hero-buttons .btn-primary {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-buttons .btn-primary svg {
    width: 18px;
    height: 18px;
    transition: var(--transition);
}

.hero-buttons .btn-primary:hover svg {
    transform: translateX(4px);
}

.hero-visual {
    position: relative;
    height: 500px;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 1.5s forwards;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(50, 205, 50, 0.2);
    border-radius: 20px;
    padding: 2rem;
    transition: var(--transition);
    overflow: hidden;
}

.floating-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-1);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.floating-card:hover::before {
    opacity: 0.1;
}

.floating-card:hover {
    transform: translateY(-10px) scale(1.05);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(50, 205, 50, 0.3) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}

.floating-card:hover .card-glow {
    opacity: 1;
}

.card-content {
    position: relative;
    z-index: 1;
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px rgba(50, 205, 50, 0.5));
}

.card-text {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-1 {
    top: 0;
    right: 0;
    width: 200px;
    animation: floatCard 6s ease-in-out infinite;
    z-index: 3;
}

.card-2 {
    top: 50%;
    right: 15%;
    transform: translateY(-50%);
    width: 220px;
    animation: floatCard2 8s ease-in-out infinite 1s;
    z-index: 2;
}

.card-3 {
    bottom: 0;
    right: 5%;
    width: 180px;
    animation: floatCard 7s ease-in-out infinite 2s;
    z-index: 1;
}

@keyframes floatCard {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

@keyframes floatCard2 {
    0%, 100% {
        transform: translateY(-50%) translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-50%) translateY(-20px) rotate(-5deg);
    }
}

.grid-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(50, 205, 50, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(50, 205, 50, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.5;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

.section-divider {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom right, var(--dark-bg) 0%, var(--dark-bg) 50%, transparent 50%);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 80%);
}

.section-divider-top {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: var(--dark-bg);
    clip-path: polygon(0 20%, 100% 0, 100% 100%, 0 100%);
    z-index: 1;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-1);
    color: var(--darker-bg);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--darker-bg);
    transform: translateY(-2px);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    opacity: 0.7;
    animation: bounce 2s infinite;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--primary-color);
    border-radius: 15px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

.arrow {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.arrow span {
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    transform: rotate(45deg);
    animation: arrowDown 2s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(15px);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

@keyframes arrowDown {
    0%, 100% {
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Section Styles ===== */
section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(50, 205, 50, 0.1);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.section-title span {
    display: block;
}

.title-accent {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== About Section ===== */
.about {
    background: var(--dark-bg);
    position: relative;
    padding-top: 150px;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.lead-text {
    font-size: 1.375rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-weight: 400;
}

.about-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.7;
}

.advantages {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    margin-top: 4rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.advantage-item-center {
    grid-column: 1 / -1;
    justify-self: center;
    max-width: 500px;
}

.advantage-item {
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    border: 1px solid rgba(50, 205, 50, 0.15);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.advantage-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(50, 205, 50, 0.1), transparent);
    transition: left 0.5s;
}

.advantage-item:hover::before {
    left: 100%;
}

.advantage-item:hover {
    transform: translateY(-8px) scale(1.02);
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.advantage-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--darker-bg);
}

.advantage-icon svg {
    width: 30px;
    height: 30px;
}

.advantage-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.advantage-item p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== Services Section ===== */
.services {
    background: var(--darker-bg);
    position: relative;
    padding-top: 150px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
    grid-auto-rows: minmax(280px, auto);
}

.services-grid .service-card:nth-child(1),
.services-grid .service-card:nth-child(4) {
    grid-row: span 2;
}

.services-grid .service-card:nth-child(2),
.services-grid .service-card:nth-child(5) {
    grid-column: span 1;
}

.service-card {
    padding: 3rem;
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(10px);
    border-radius: 28px;
    border: 1px solid rgba(50, 205, 50, 0.15);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(50, 205, 50, 0.1), transparent);
    transition: left 0.5s;
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-12px) scale(1.02);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    background: rgba(255, 255, 255, 0.04);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--darker-bg);
}

.service-icon svg {
    width: 35px;
    height: 35px;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== Contact Section ===== */
.contact {
    background: var(--dark-bg);
    position: relative;
    padding-top: 150px;
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    border: 1px solid rgba(50, 205, 50, 0.15);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(50, 205, 50, 0.1), transparent);
    transition: left 0.5s;
}

.contact-item:hover::before {
    left: 100%;
}

.contact-item:hover {
    transform: translateY(-8px) scale(1.02);
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--darker-bg);
}

.contact-icon svg {
    width: 28px;
    height: 28px;
}

.contact-details h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.contact-details a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 1.125rem;
}

.contact-details a:hover {
    color: var(--primary-color);
}

/* ===== Footer ===== */
.footer {
    background: var(--darker-bg);
    padding: 4rem 0 3rem;
    border-top: 1px solid rgba(50, 205, 50, 0.1);
}

.footer-content {
    text-align: center;
}

.footer-logo {
    margin-bottom: 2rem;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition);
}

.footer-logo .logo-icon {
    width: 40px;
    height: 40px;
    transition: var(--transition);
}

.footer-logo .logo-text {
    font-size: 1.5rem;
}

.footer-logo:hover .logo-icon {
    transform: scale(1.1) rotate(5deg);
}

.footer-logo:hover .logo-text {
    color: var(--primary-color);
}

.footer-text {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(50, 205, 50, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    color: var(--darker-bg);
    transform: translateY(-3px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

/* ===== Animations on Scroll ===== */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}


/* ===== Scroll to Top Button ===== */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-1);
    color: var(--darker-bg);
    border: none;
    font-size: 24px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.scroll-top-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

/* ===== Ripple Effect ===== */
.btn-primary {
    position: relative;
    overflow: hidden;
}

.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple-animation 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .nav-content {
        gap: 1rem;
    }

    .logo-icon {
        width: 28px;
        height: 28px;
    }

    .logo-text {
        font-size: 1.1rem;
    }

    .header-contacts {
        display: none;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        flex-direction: column;
        background: var(--darker-bg);
        width: 100%;
        text-align: center;
        transition: left 0.3s;
        padding: 2rem 0;
        border-top: 1px solid rgba(50, 205, 50, 0.1);
    }

    .nav-menu.active {
        left: 0;
    }

    .mobile-contacts {
        display: block;
        padding: 1.5rem 0 0;
        margin-top: 1rem;
        border-top: 1px solid rgba(50, 205, 50, 0.1);
    }

    .header-contacts-mobile {
        display: flex;
        flex-direction: column;
        gap: 1rem;
        padding: 0 1rem;
    }

    .header-contacts-mobile .contact-link {
        justify-content: center;
        width: 100%;
    }

    .header-contacts-mobile .linkedin-link span {
        display: inline;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-visual {
        height: 400px;
        order: -1;
    }

    .hero-title {
        text-align: center;
    }

    .hero-subtitle {
        text-align: center;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero {
        padding: 100px 20px 50px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        text-align: center;
    }

    section {
        padding: 60px 0;
        padding-top: 100px;
    }

    .section-divider-top {
        height: 60px;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .services-grid .service-card:nth-child(n) {
        grid-row: span 1;
        grid-column: span 1;
    }

    .advantages {
        grid-template-columns: 1fr;
    }

    .advantage-item-center {
        grid-column: 1;
        max-width: 100%;
    }

    .advantages,
    .services-grid,
    .contact-info {
        grid-template-columns: 1fr;
    }

    .service-card,
    .advantage-item {
        padding: 1.5rem;
    }

    .footer-logo .logo-icon {
        width: 32px;
        height: 32px;
    }

    .footer-logo .logo-text {
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
    }
}